Originally Posted by Ash735
PSP can be coded to playback whatever audio type as long as the engine allows it, to be really honest, if the PC episodes stay around 200MB, then it seems perfectly possible to fit a whole season onto a Single UMD without compressing the audio even more or switching the music to MIDI based, it could still use the PC style of the higher captured OGG files.
And yes it does seem sad that even a PSP has a major storage advantage over the Wii.
Both would work. I was just mentioning MIDI since it's a good deal smaller while offering good quality. But in the end you'd probably use whatever is easier to implement, which would probably be AAC.